From: Vineet Gupta <vgupta@xxxxxxxxxxxx>
This patch does NOT apply to the 3.12 stable tree. If you still want
it applied, please provide a backport.
===============
commit d75386363ee60eb51c933c7b5e536f3a502ad7d7 upstream.
Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
---
arch/arc/mm/cache_arc700.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arc/mm/cache_arc700.c b/arch/arc/mm/cache_arc700.c
index 89edf7961a2f..23c3832e6d9f 100644
--- a/arch/arc/mm/cache_arc700.c
+++ b/arch/arc/mm/cache_arc700.c
@@ -253,12 +253,16 @@ static inline void __cache_line_loop(unsigned long paddr, unsigned long vaddr,
if (cacheop == OP_INV_IC) {
aux_cmd = ARC_REG_IC_IVIL;
+#if (CONFIG_ARC_MMU_VER > 2)
aux_tag = ARC_REG_IC_PTAG;
+#endif
}
else {
/* d$ cmd: INV (discard or wback-n-discard) OR FLUSH (wback) */
aux_cmd = cacheop & OP_INV ? ARC_REG_DC_IVDL : ARC_REG_DC_FLDL;
+#if (CONFIG_ARC_MMU_VER > 2)
aux_tag = ARC_REG_DC_PTAG;
+#endif
}
/* Ensure we properly floor/ceil the non-line aligned/sized requests
--
2.1.3
--
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